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  1. Whistle noise

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Can anyone tell me what should I look for the whistle noise on the video when switching the engine off, it happening when engine reach correct temperature, can even upload video but dont know how
  2. 530D Turbo Whistle

    BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Hi all, I had my E61 530D since September 2018. It had a replacement turbo at 77.000, it's on 144.000 now. Question is, is turbo whistle normal? It's only at low revs and not overly loud. It's had the dpf gutted and remapped so I noticed it a bit more after which I presumed was OK as more free...
  3. 2007 335i major juddering and whistle sound please help

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Hi When accelerating at medium rpm and a higher gear there is massive juddering and a whistle sound I'm getting codes 02 sensor circuit slow response and misfire cylinder 2 it then after 5 minutes it goes back to normal but is a viberating mess on idle car is running jb4 map 1 the cars valves...
  4. Whistle and thermostats

    BMW 3 Series Forum - Technical Talk on the BMW E46
    Hey guys I got an 04 BMW 320td compact, the engine thermostat won't go past cold( think it's stuck) anyone got a link to the correct thermostat to buy? And I hear a whistle whilst accelerating, anything to worry about? Thanks
  5. E46 330D 2001 whistle noise

    General BMW Discussions
    Hello. I have encountered a problem with my car, atleast i think so. When i replaced all the vacuum lines, found one pinched inbetween the intake manifold, so sorted it out and got my turbo working, but it started making this noise. Any sugestions what could be the potential cause of it? Thank you.
  6. 2016 f31 320d engine whistle

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    I have a 2016 f31 320d. I have noticed the engine whistles when being revved and under load it's is worse when cold but still has a faint sound when warm. To me it sounds like an air leak rarther than a bearing. I have been to the BMW dealer as this is still under warranty and they have said...
  7. 2005 E46 330CD - Turbo whistle/play (video)

    BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi, I am just wanting some opinion on this... My turbo whistles quite loudly when upto 2.5k RPM (I do have a decat) and seems slightly down on power. There is also some oil in intercooler charge piping, and some play in turbo - see video: Do you think my turbo is likely to go soon, and if...
  8. E61 (M47 Engine) Turbo(?) Whistle

    BMW 5 Series - Tech Talk For All Gen Of 5 Series
    My 520D developed a distinct whistle, it has come about quite suddenly (before motorway services it was fine, after a definitive difference in noise). I've had a garage check it out as I thought it would be a leaky pipe, but apparently it's not and it's "probably" the bearing within the turbo...
  9. 325ci 2002 intake whistle problem resolved

    BMW 3 Series Forum - Technical Talk on the BMW E46
    Yesterday I took the whole intake manifold system apart and inspected everything and put it all back together and found nothing to cause a whistle. I thought that it may be something under the manifold itself (something not visible from the top) but when I drove it after it was still there...
  10. 2002 325ci bloody whistle!

    BMW 3 Series Forum - Technical Talk on the BMW E46
    Please could someone tell me what is whistling. What components are able to make a whistle under acceleration? I thought I cracked it when I found the vaccum pipe from the fuel filter to the air intake wasn't connected. I've connected it back up and the whistle is still there. It's not the...
  11. X5 40D - Loud turbo whistle; safe to remap?

    BMW ECU Tuning and Standalone Tuning
    Hello all I've bought myself a 2011 X5 40d last month and noticed a pretty loud whistle from the turbo every time I lift of the accelerator when reversing. It's quite loud. It wasn't like that when I bought it. I wanted to get the car remapped but a bit worried it might damage the turbo or...
  12. E60 530d whistle sound from bonnet

    General BMW Discussions
    Hi all, I bought a e60 530d 2004 last month. I done a service last week. After few days i heard whoòshing/whistle sound when i oress the gas fully down in idle. I drove for like 30miles then smoke came in through vent with rubber burning smell. However no engine light. No power loss or much...
  13. F10 530d turbo whistle

    BMW 5 Series - Tech Talk For All Gen Of 5 Series
    I'm wondering if this is normal or not, just picked up my new 530d last week and am delighted with it. Yesterday while driving with the window down I noticed a whistle from the turbo between 2 & 3K rpm and again when I lift of around the same range. It can't be heard with window up and there's...
  14. E46 320d Decat; engine braking & turbo whistle

    BMW Tuning Forum
    Hi all, I recently pulled the guts out of both front and rear cats. Rear cat given a bit of straight through pipe and front cat left hollow. Also no swirl flaps or egr. The results are interesting, definitely more low down grunt which is great as it was always keen to stall if you got used to...
  15. 318ci se n42b20 whistle noise when engine revs

    E46
    any idea? like i said in the title whistle sort of blowing noise cant tell where its coming from engine wise at the front ish if that helps? your help is much appreciated thanks luke
  16. 2004 e61 turbo whistle

    BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Hi, around a month ago I noticed that my turbo? Started whistling very loudly when the car was cold. I drive an hour to work and once I'm there the whistle is no longer there. Now when I'm driving up steep hills I notice the car is losing power. There's one particular long hill that I've easily...
  17. e39 530i Sp 2003 Auto: Whistle on acceleration

    BMW 5 Series - Tech Talk For All Gen Of 5 Series
    Hello fellow BMWers. I have finally bought my dream car, Chmpagne 2 530i. FSH and 84K. I have already do e around 200 miles pne thing bothers me: whistle/whine coming from around the intake part between 1-2000 rpm, disappears on higher revs. Can barely recreate it with A/C on whilst stationary...
  18. BMW 320i SE 2005 (E90) whistle noise whilst driving

    BMW 3 Series - Tech Talk For All Gen Of 3 Series
    Afternoon All, I started getting this continuous whistle/whining noise whilst driving, you can only hear it between 15mph to 32mph (approx.) its really irritating noise, driving me nuts lol... Having only just had the car for a little while, I didn't expect issues with it, especially being a...
  19. turbo whistle 320d e46 vacum leak or normal?

    BMW 3 Series Forum - Technical Talk on the BMW E46
    like above i have a turbo whistle when the car hits somewhere around 2000rpm u can hear it in the car not overly loud but even with the radio on u can just hear it is it normal or is it likely to be a leak if so wat pipe and were about is the pipe in the engine any help would be appreciated nick
  20. E46 Engine Management Light

    BMW 3 Series Forum - Technical Talk on the BMW E46
    Hi, In December my EML came on, around this time the car was making a loud whistle noise when idle. I handed the car into a garage and they replaced one of the tensioner & belt, along with a few valves that were leaking apparently. Moving forward, the light went and the EML went away, and...
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